<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['spider:fieldRule:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['spider:fieldRule:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['spider:fieldRule:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['spider:fieldRule:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="fieldRuleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="排序" align="center" prop="id" />
      <el-table-column label="字段ID" align="center" prop="fieldId" />
      <el-table-column label="数据处理规则" align="center" prop="processType" :formatter="processTypeFormat" />
      <el-table-column label="替换正则" align="center" prop="replacereg" />
      <el-table-column label="替换内容" align="center" prop="replacement" />
      <el-table-column label="截取字符串目标" align="center" prop="substrTarget" />
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['spider:fieldRule:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['spider:fieldRule:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改爬虫字段规则配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item hidden label="字段ID" prop="fieldId">
          <el-input v-model="form.fieldId" placeholder="请输入字段ID" />
        </el-form-item>
        <el-form-item label="数据处理规则">
          <el-radio-group v-model="form.processType">
            <el-radio
              v-for="dict in processTypeOptions"
              :key="dict.dictValue"
              :label="dict.dictValue"
            >{{dict.dictLabel}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item v-if="form.processType==='replace'" label="替换正则" prop="replacereg">
          <el-input v-model="form.replacereg" placeholder="请输入替换正则" />
        </el-form-item>
        <el-form-item v-if="form.processType==='replace'" label="替换内容" prop="replacement">
          <el-input v-model="form.replacement" placeholder="请输入替换内容" />
        </el-form-item>
        <el-form-item v-if="form.processType==='substrbefore'||form.processType==='substrafter'" label="截取字符串目标" prop="substrTarget">
          <el-input v-model="form.substrTarget" placeholder="请输入截取字符串目标" />
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input v-model="form.sort" placeholder="请输入排序" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listFieldRule, getFieldRule, delFieldRule, addFieldRule, updateFieldRule, exportFieldRule } from "@/api/spider/fieldRule";

export default {
  name: "FieldRule",
  components: {
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 爬虫字段规则配置表格数据
      fieldRuleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 数据处理规则字典
      processTypeOptions: [],
      // 查询参数
      queryParams: {
        fieldId:null,
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    if(this.form.fieldId != this.$route.query.fieldId){
      this.form.fieldId = this.$route.query.fieldId;
      this.queryParams.fieldId = this.$route.query.fieldId;
      this.getList();
    }
    this.getDicts("field_value_process_type").then(response => {
      this.processTypeOptions = response.data;
    });
  },
  activated(){
    if(this.form.fieldId != this.$route.query.fieldId){
      this.form.fieldId = this.$route.query.fieldId;
      this.queryParams.fieldId = this.$route.query.fieldId;
      this.getList();
    }
  },
  methods: {
    /** 查询爬虫字段规则配置列表 */
    getList() {
      this.loading = true;
      listFieldRule(this.queryParams).then(response => {
        this.fieldRuleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 数据处理规则字典翻译
    processTypeFormat(row, column) {
      return this.selectDictLabel(this.processTypeOptions, row.processType);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        fieldId: null,
        processType: "0",
        replacereg: null,
        replacement: null,
        substrTarget: null,
        sort: null
      };
      if(this.$route.query.fieldId)this.form.fieldId = this.$route.query.fieldId;
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加爬虫字段规则配置";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getFieldRule(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改爬虫字段规则配置";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateFieldRule(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addFieldRule(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除爬虫字段规则配置编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delFieldRule(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有爬虫字段规则配置数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportFieldRule(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
